If they really want to be in the business of making batteries, they should get out of the business of making cars as quickly as possible. It's an expensive distraction.

It's extremely difficult, the R&D costs are enormous, scaling up is difficult, thousands of little things can sink you, and once you sell a product, you will be on the hook for it for the next decade.

To me, it seems that they are a car company with a battery side business - it makes a hell of lot more sense then being a battery company with a car side business - for the same reason that Exxon-Mobil isn't an oil company with a jumbo-jet-manufacturing side business.